Pioneer DEH-P790BT Service Manual page 85

5
- Pin Functions (PEG303A)
Pin No. Pin Name
1 BTLED
2 ROMDT
3 ROMCK
4 REM
5 ROMCS
6 BYTE
7 CNVSS
8,9 NC
reset
10
11 XOUT
12 VSS1
13 XIN
14 VCC1
nmi
15
16 NC
ks#
17
ks@-)
18-20
21 NC
22 DSEL
23 NC
24 CKD
25 NC
26 LS
27 DPDT
28 KYDT
29-32 NC
33 OELD
34 NC
35 CLK0
36 NC
rdy
37
38 NC
hold
39
40-41 NC
rd
42
43-45 NC
46,47 CS2,1
cs)
48
49 A19
50 A18
51 A17
52 A16
53 A15
54 A14
55 A13
56 A12
57 A11
58 A10
59 A9
VCC2
60
61 A8
62 VSS2
63 A7
64 A6
65 A5
5
6
I/O Format Function and Operation
Blue tooth authentication LED
O C
ROM correction data input/output
I/O C
ROM correction clock output
O C
Remote control input
I
O C ROM correction chip select output
External data bus width change input(VSS)
I
Processor mode change input
I
Not used
Reset input
I
Clock output
O
GND
I Clock input
Power supply input
NMI input
I
Not used
Key strobe 3(Not used)
O C
I/O C Key strobe 2-0
Not used
O C OEL driver : Display data select
Not used
OEL driver : Data transfer and driver clock frequency
O C
Not used
OEL driver : Line sync signal
O C
I N System controller communication : Display data input
System controller communication : Key data output
O N
Not used
OEL driver : Display data
O C
Not used
OEL driver : Clock input for UART0
I C
Not used
I C RDY signal input
Not used
HOLD signal input
I C
Not used
Image ROM : Read strobe
O C
Not used
Image ROM : Bank address 1,0
O C
O C External extended ROM chip select(image ROM)
Image ROM : Address bus 19 bit
O C
Non connection
O C
Image ROM : Address bus 17 bit
O C
Image ROM : Address bus 16 bit
O C
C Image ROM : Address bus 15 bit
O
Image ROM : Address bus 14 bit
O C
O C Image ROM : Address bus 13 bit
Image ROM : Address bus 12 bit
O C
Image ROM : Address bus 11 bit
O C
Image ROM : Address bus 10 bit
O C
Image ROM : Address bus 9 bit
O C
Power supply input
Image ROM : Address bus 8 bit
O C
GND
Image ROM : Address bus 7 bit
O C
Image ROM : Address bus 6 bit
O C
Image ROM : Address bus 5 bit
O C
DEH-P790BT/XN/UC
6
7
7
8
A
B
C
D
E
F
85
8